failed to run ["ssh" "-p" "22" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "BatchMode=yes" "-o" "IdentitiesOnly=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "root@10.128.1.35" "pwd"]: exit status 255 ssh: connect to host 10.128.1.35 port 22: Connection timed out Pseudo-terminal will not be allocated because stdin is not a terminal. Warning: Permanently added '[ssh-serialport.googleapis.com]:9600,[216.239.38.127]:9600' (RSA) to the list of known hosts. serialport: Connected to syzkaller.us-central1-c.ci-upstream-linux-next-kasan-gce-root-test-1 port 1 (session ID: 48f2dd6dfd5c700133fb651bdce362e5842255ec12e1b6c5bb8ac44459cd15fd, active connections: 1). SeaBIOS (version 1.8.2-google) Total RAM Size = 0x0000000200000000 = 8192 MiB CPUs found: 2 Max CPUs supported: 2 SeaBIOS (version 1.8.2-google) Machine UUID 086f95b8-7ada-47d5-ae28-d84de4582e6d found virtio-scsi at 0:3 virtio-scsi vendor='Google' product='PersistentDisk' rev='1' type=0 removable=0 virtio-scsi blksize=512 sectors=4194304 = 2048 MiB drive 0x000f2750: PCHS=0/0/0 translation=lba LCHS=520/128/63 s=4194304 Sending Seabios boot VM event. Booting from Hard Disk 0... [ 0.000000][ T0] Linux version 5.17.0-rc7-next-20220309-syzkaller (syzkaller@syzkaller) (gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.2) #0 SMP PREEMPT now [ 0.000000][ T0] Command line: BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.000000][ T0] KERNEL supported cpus: [ 0.000000][ T0] Intel GenuineIntel [ 0.000000][ T0] AMD AuthenticAMD [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers' [ 0.000000][ T0] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers' [ 0.000000][ T0] x86/fpu: xstate_offset[2]: 576, xstate_sizes[2]: 256 [ 0.000000][ T0] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format. [ 0.000000][ T0] signal: max sigframe size: 1776 [ 0.000000][ T0] BIOS-provided physical RAM map: [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000000100000-0x00000000bfffcfff] usable [ 0.000000][ T0] BIOS-e820: [mem 0x00000000bfffd000-0x00000000bfffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x00000000fffbc000-0x00000000ffffffff] reserved [ 0.000000][ T0] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable [ 0.000000][ T0] printk: bootconsole [earlyser0] enabled [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ERROR: earlyprintk= earlyser already used [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** This system shows unhashed kernel memory addresses ** [ 0.000000][ T0] ** via the console, logs, and other interfaces. This ** [ 0.000000][ T0] ** might reduce the security of your system. ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** If you see this message and you are not debugging ** [ 0.000000][ T0] ** the kernel, report this immediately to your system ** [ 0.000000][ T0] ** administrator! ** [ 0.000000][ T0] ** ** [ 0.000000][ T0] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 0.000000][ T0] ********************************************************** [ 0.000000][ T0] Malformed early option 'vsyscall' [ 0.000000][ T0] nopcid: PCID feature disabled [ 0.000000][ T0] NX (Execute Disable) protection: active [ 0.000000][ T0] SMBIOS 2.4 present. [ 0.000000][ T0] DMI: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 0.000000][ T0] Hypervisor detected: KVM [ 0.000000][ T0] kvm-clock: Using msrs 4b564d01 and 4b564d00 [ 0.000007][ T0] kvm-clock: using sched offset of 3575393590 cycles [ 0.001582][ T0] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns [ 0.007034][ T0] tsc: Detected 2200.168 MHz processor [ 0.013339][ T0] last_pfn = 0x240000 max_arch_pfn = 0x400000000 [ 0.015320][ T0] x86/PAT: Configuration [0-7]: WB WC UC- UC WB WP UC- WT [ 0.017751][ T0] last_pfn = 0xbfffd max_arch_pfn = 0x400000000 [ 0.026229][ T0] found SMP MP-table at [mem 0x000f2a10-0x000f2a1f] [ 0.028769][ T0] Using GB pages for direct mapping [ 0.032021][ T0] ACPI: Early table checksum verification disabled [ 0.033707][ T0] ACPI: RSDP 0x00000000000F2790 000014 (v00 Google) [ 0.035814][ T0] ACPI: RSDT 0x00000000BFFFFF90 000038 (v01 Google GOOGRSDT 00000001 GOOG 00000001) [ 0.038939][ T0] ACPI: FACP 0x00000000BFFFF330 0000F4 (v02 Google GOOGFACP 00000001 GOOG 00000001) [ 0.042317][ T0] ACPI: DSDT 0x00000000BFFFD8C0 001A64 (v01 Google GOOGDSDT 00000001 GOOG 00000001) [ 0.045057][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.047017][ T0] ACPI: FACS 0x00000000BFFFD880 000040 [ 0.048703][ T0] ACPI: SRAT 0x00000000BFFFFE60 0000C8 (v03 Google GOOGSRAT 00000001 GOOG 00000001) [ 0.051522][ T0] ACPI: APIC 0x00000000BFFFFDB0 000076 (v05 Google GOOGAPIC 00000001 GOOG 00000001) [ 0.054185][ T0] ACPI: SSDT 0x00000000BFFFF430 000980 (v01 Google GOOGSSDT 00000001 GOOG 00000001) [ 0.057021][ T0] ACPI: WAET 0x00000000BFFFFE30 000028 (v01 Google GOOGWAET 00000001 GOOG 00000001) [ 0.059592][ T0] ACPI: Reserving FACP table memory at [mem 0xbffff330-0xbffff423] [ 0.061737][ T0] ACPI: Reserving DSDT table memory at [mem 0xbfffd8c0-0xbffff323] [ 0.064208][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.066283][ T0] ACPI: Reserving FACS table memory at [mem 0xbfffd880-0xbfffd8bf] [ 0.068656][ T0] ACPI: Reserving SRAT table memory at [mem 0xbffffe60-0xbfffff27] [ 0.071153][ T0] ACPI: Reserving APIC table memory at [mem 0xbffffdb0-0xbffffe25] [ 0.073565][ T0] ACPI: Reserving SSDT table memory at [mem 0xbffff430-0xbffffdaf] [ 0.076523][ T0] ACPI: Reserving WAET table memory at [mem 0xbffffe30-0xbffffe57] [ 0.079736][ T0] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.081556][ T0] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.083022][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x0009ffff] [ 0.085154][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x00100000-0xbfffffff] [ 0.087152][ T0] ACPI: SRAT: Node 0 PXM 0 [mem 0x100000000-0x23fffffff] [ 0.089108][ T0] NUMA: Node 0 [mem 0x00000000-0x0009ffff] + [mem 0x00100000-0xbfffffff] -> [mem 0x00000000-0xbfffffff] [ 0.092269][ T0] NUMA: Node 0 [mem 0x00000000-0xbfffffff] + [mem 0x100000000-0x23fffffff] -> [mem 0x00000000-0x23fffffff] [ 0.095418][ T0] Faking node 0 at [mem 0x0000000000000000-0x000000013fffffff] (5120MB) [ 0.097536][ T0] Faking node 1 at [mem 0x0000000140000000-0x000000023fffffff] (4096MB) [ 0.100207][ T0] NODE_DATA(0) allocated [mem 0x13fffa000-0x13fffffff] [ 0.102984][ T0] NODE_DATA(1) allocated [mem 0x23fff7000-0x23fffcfff] [ 0.142065][ T0] Zone ranges: [ 0.143014][ T0] DMA [mem 0x0000000000001000-0x0000000000ffffff] [ 0.145206][ T0] DMA32 [mem 0x0000000001000000-0x00000000ffffffff] [ 0.147463][ T0] Normal [mem 0x0000000100000000-0x000000023fffffff] [ 0.149531][ T0] Device empty [ 0.150756][ T0] Movable zone start for each node [ 0.152135][ T0] Early memory node ranges [ 0.153557][ T0] node 0: [mem 0x0000000000001000-0x000000000009efff] [ 0.155984][ T0] node 0: [mem 0x0000000000100000-0x00000000bfffcfff] [ 0.158077][ T0] node 0: [mem 0x0000000100000000-0x000000013fffffff] [ 0.160226][ T0] node 1: [mem 0x0000000140000000-0x000000023fffffff] [ 0.162292][ T0] Initmem setup node 0 [mem 0x0000000000001000-0x000000013fffffff] [ 0.164670][ T0] Initmem setup node 1 [mem 0x0000000140000000-0x000000023fffffff] [ 0.166658][ T0] On node 0, zone DMA: 1 pages in unavailable ranges [ 0.166821][ T0] On node 0, zone DMA: 97 pages in unavailable ranges [ 0.205595][ T0] On node 0, zone Normal: 3 pages in unavailable ranges [ 0.548082][ T0] kasan: KernelAddressSanitizer initialized [ 0.553060][ T0] ACPI: PM-Timer IO Port: 0xb008 [ 0.554708][ T0] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.555913][ T0] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23 [ 0.558371][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level) [ 0.560867][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.562565][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level) [ 0.564967][ T0] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level) [ 0.567285][ T0] ACPI: Using ACPI (MADT) for SMP configuration information [ 0.570407][ T0] smpboot: Allowing 2 CPUs, 0 hotplug CPUs [ 0.572610][ T0] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff] [ 0.575487][ T0] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff] [ 0.578351][ T0] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff] [ 0.581380][ T0] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff] [ 0.583676][ T0] PM: hibernation: Registered nosave memory: [mem 0xbfffd000-0xbfffffff] [ 0.586162][ T0] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfffbbfff] [ 0.589089][ T0] PM: hibernation: Registered nosave memory: [mem 0xfffbc000-0xffffffff] [ 0.591655][ T0] [mem 0xc0000000-0xfffbbfff] available for PCI devices [ 0.592729][ T0] Booting paravirtualized kernel on KVM [ 0.594531][ T0] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 0.664683][ T0] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:2 [ 0.668301][ T0] percpu: Embedded 69 pages/cpu s243784 r8192 d30648 u1048576 [ 0.670670][ T0] kvm-guest: PV spinlocks enabled [ 0.671983][ T0] PV qspinlock hash table entries: 256 (order: 0, 4096 bytes, linear) [ 0.674042][ T0] Fallback order for Node 0: 0 1 [ 0.675334][ T0] Fallback order for Node 1: 1 0 [ 0.676948][ T0] Built 2 zonelists, mobility grouping on. Total pages: 2064125 [ 0.679223][ T0] Policy zone: Normal [ 0.680175][ T0] Kernel command line: earlyprintk=serial net.ifnames=0 sysctl.kernel.hung_task_all_cpu_backtrace=1 ima_policy=tcb nf-conntrack-ftp.ports=20000 nf-conntrack-tftp.ports=20000 nf-conntrack-sip.ports=20000 nf-conntrack-irc.ports=20000 nf-conntrack-sane.ports=20000 binder.debug_mask=0 rcupdate.rcu_expedited=1 no_hash_pointers page_owner=on sysctl.vm.nr_hugepages=4 sysctl.vm.nr_overcommit_hugepages=4 secretmem.enable=1 sysctl.max_rcu_stall_to_panic=1 root=/dev/sda console=ttyS0 vsyscall=native numa=fake=2 kvm-intel.nested=1 spec_store_bypass_disable=prctl nopcid vivid.n_devs=16 vivid.multiplanar=1,2,1,2,1,2,1,2,1,2,1,2,1,2,1,2 netrom.nr_ndevs=16 rose.rose_ndevs=16 dummy_hcd.num=8 watchdog_thresh=55 workqueue.watchdog_thresh=140 sysctl.net.core.netdev_unregister_timeout_secs=140 panic_on_warn=1 BOOT_IMAGE=/boot/bzImage root=/dev/sda1 console=ttyS0 [ 0.707809][ T0] Unknown kernel command line parameters "spec_store_bypass_disable=prctl BOOT_IMAGE=/boot/bzImage", will be passed to user space. [ 0.712633][ T0] mem auto-init: stack:off, heap alloc:on, heap free:off [ 0.715021][ T0] Stack Depot allocating hash table with memblock_alloc [ 1.490506][ T0] Memory: 6842036K/8388204K available (141341K kernel code, 34310K rwdata, 29808K rodata, 2696K init, 24648K bss, 1545912K reserved, 0K cma-reserved) [ 1.496329][ T0] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=2 [ 1.500594][ T0] Dynamic Preempt: full [ 1.502457][ T0] Running RCU self tests [ 1.503860][ T0] rcu: Preemptible hierarchical RCU implementation. [ 1.505431][ T0] rcu: RCU lockdep checking is enabled. [ 1.506880][ T0] rcu: RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2. [ 1.508815][ T0] rcu: RCU callback double-/use-after-free debug is enabled. [ 1.510792][ T0] rcu: RCU debug extended QS entry/exit. [ 1.512327][ T0] All grace periods are expedited (rcu_expedited). [ 1.514042][ T0] Trampoline variant of Tasks RCU enabled. [ 1.515655][ T0] Tracing variant of Tasks RCU enabled. [ 1.517298][ T0] rcu: RCU calculated value of scheduler-enlistment delay is 10 jiffies. [ 1.519381][ T0] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2 [ 1.558774][ T0] NR_IRQS: 4352, nr_irqs: 440, preallocated irqs: 16 [ 1.561469][ T0] rcu: srcu_init: Setting srcu_struct sizes based on contention. [ 1.563570][ T0] kfence: initialized - using 2097152 bytes for 255 objects at 0xffff88823bc00000-0xffff88823be00000 [ 1.566123][ T0] random: crng init done (trusting CPU's manufacturer) [ 1.569051][ T0] Console: colour VGA+ 80x25 [ 1.570357][ T0] printk: console [ttyS0] enabled [ 1.570357][ T0] printk: console [ttyS0] enabled [ 1.572900][ T0] printk: bootconsole [earlyser0] disabled [ 1.572900][ T0] printk: bootconsole [earlyser0] disabled [ 1.575604][ T0] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar [ 1.577696][ T0] ... MAX_LOCKDEP_SUBCLASSES: 8 [ 1.578835][ T0] ... MAX_LOCK_DEPTH: 48 [ 1.580131][ T0] ... MAX_LOCKDEP_KEYS: 8192 [ 1.581492][ T0] ... CLASSHASH_SIZE: 4096 [ 1.582988][ T0] ... MAX_LOCKDEP_ENTRIES: 65536 [ 1.584336][ T0] ... MAX_LOCKDEP_CHAINS: 131072 [ 1.585718][ T0] ... CHAINHASH_SIZE: 65536 [ 1.586865][ T0] memory used by lock dependency info: 11129 kB [ 1.588472][ T0] memory used for stack traces: 8320 kB [ 1.589888][ T0] per task-struct memory footprint: 1920 bytes [ 1.591722][ T0] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 1.594625][ T0] ACPI: Core revision 20211217 [ 1.596518][ T0] APIC: Switch to symmetric I/O mode setup [ 1.603005][ T0] ..TIMER: vector=0x30 apic1=0 pin1=0 apic2=-1 pin2=-1 [ 1.605064][ T0] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x1fb6d19e116, max_idle_ns: 440795289897 ns [ 1.607743][ T0] Calibrating delay loop (skipped) preset value.. 4400.33 BogoMIPS (lpj=22001680) [ 1.609985][ T0] pid_max: default: 32768 minimum: 301 [ 1.611572][ T0] LSM: Security Framework initializing [ 1.613501][ T0] landlock: Up and running. [ 1.614589][ T0] Yama: becoming mindful. [ 1.615689][ T0] TOMOYO Linux initialized [ 1.617968][ T0] AppArmor: AppArmor initialized [ 1.619297][ T0] LSM support for eBPF active [ 1.624226][ T0] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, vmalloc hugepage) [ 1.628587][ T0] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, vmalloc hugepage) [ 1.630949][ T0] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.633006][ T0] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, vmalloc) [ 1.638932][ T0] Last level iTLB entries: 4KB 64, 2MB 8, 4MB 8 [ 1.640454][ T0] Last level dTLB entries: 4KB 64, 2MB 0, 4MB 0, 1GB 4 [ 1.642189][ T0] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitization [ 1.644507][ T0] Spectre V2 : Kernel not compiled with retpoline; no mitigation available! [ 1.644514][ T0] Spectre V2 : Vulnerable [ 1.647756][ T0] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context switch [ 1.649878][ T0] Spectre V2 : Enabling Restricted Speculation for firmware calls [ 1.651824][ T0] Spectre V2 : mitigation: Enabling conditional Indirect Branch Prediction Barrier [ 1.654038][ T0] Spectre V2 : User space: Mitigation: STIBP via prctl [ 1.655774][ T0] Speculative Store Bypass: Mitigation: Speculative Store Bypass disabled via prctl [ 1.657753][ T0] TAA: Mitigation: Clear CPU buffers [ 1.659041][ T0] MDS: Mitigation: Clear CPU buffers [ 1.662272][ T0] Freeing SMP alternatives memory: 108K [ 1.664233][ T2] [ 1.664827][ T2] ============================= [ 1.666080][ T2] WARNING: suspicious RCU usage [ 1.667286][ T2] 5.17.0-rc7-next-20220309-syzkaller #0 Not tainted [ 1.667730][ T2] ----------------------------- [ 1.667730][ T2] include/linux/cgroup.h:494 suspicious rcu_dereference_check() usage! [ 1.667730][ T2] [ 1.667730][ T2] other info that might help us debug this: [ 1.667730][ T2] [ 1.667730][ T2] [ 1.667730][ T2] rcu_scheduler_active = 1, debug_locks = 1 [ 1.667730][ T2] 2 locks held by kthreadd/2: [ 1.667730][ T2] #0: ffff888010e826e0 (&p->pi_lock){....}-{2:2}, at: task_rq_lock+0x63/0x360 [ 1.667730][ T2] #1: ffff8880b9c39f98 (&rq->__lock){-...}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 1.667730][ T2] [ 1.667730][ T2] stack backtrace: [ 1.667730][ T2] CPU: 0 PID: 2 Comm: kthreadd Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 1.667730][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.667730][ T2] Call Trace: [ 1.667730][ T2] [ 1.667730][ T2] dump_stack_lvl+0xcd/0x134 [ 1.667730][ T2] cpuacct_charge+0x2af/0x3c0 [ 1.667730][ T2] update_curr+0x37b/0x830 [ 1.667730][ T2] dequeue_entity+0x23/0xfd0 [ 1.667730][ T2] dequeue_task_fair+0x238/0xea0 [ 1.667730][ T2] __do_set_cpus_allowed+0x186/0x960 [ 1.667730][ T2] __set_cpus_allowed_ptr_locked+0x2ba/0x4e0 [ 1.667730][ T2] ? lock_downgrade+0x6e0/0x6e0 [ 1.667730][ T2] set_cpus_allowed_ptr+0x78/0xa0 [ 1.667730][ T2] ? __set_cpus_allowed_ptr_locked+0x4e0/0x4e0 [ 1.667730][ T2] ? lockdep_hardirqs_on+0x79/0x100 [ 1.667730][ T2] ? kthread_is_per_cpu+0xf0/0xf0 [ 1.667730][ T2] kthreadd+0x44/0x750 [ 1.667730][ T2] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1.667730][ T2] ? kthread_is_per_cpu+0xf0/0xf0 [ 1.667730][ T2] ret_from_fork+0x1f/0x30 [ 1.667730][ T2] [ 1.667730][ T2] [ 1.667730][ T2] ============================= [ 1.667730][ T2] WARNING: suspicious RCU usage [ 1.667730][ T2] 5.17.0-rc7-next-20220309-syzkaller #0 Not tainted [ 1.667730][ T2] ----------------------------- [ 1.667730][ T2] include/linux/cgroup.h:481 suspicious rcu_dereference_check() usage! [ 1.667730][ T2] [ 1.667730][ T2] other info that might help us debug this: [ 1.667730][ T2] [ 1.667730][ T2] [ 1.667730][ T2] rcu_scheduler_active = 1, debug_locks = 1 [ 1.667730][ T2] 2 locks held by kthreadd/2: [ 1.667730][ T2] #0: ffff888010e826e0 (&p->pi_lock){....}-{2:2}, at: task_rq_lock+0x63/0x360 [ 1.667730][ T2] #1: ffff8880b9c39f98 (&rq->__lock){-...}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 1.667730][ T2] [ 1.667730][ T2] stack backtrace: [ 1.667730][ T2] CPU: 0 PID: 2 Comm: kthreadd Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 1.667730][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.667730][ T2] Call Trace: [ 1.667730][ T2] [ 1.667730][ T2] dump_stack_lvl+0xcd/0x134 [ 1.667730][ T2] update_curr+0x671/0x830 [ 1.667730][ T2] dequeue_entity+0x23/0xfd0 [ 1.667730][ T2] dequeue_task_fair+0x238/0xea0 [ 1.667730][ T2] __do_set_cpus_allowed+0x186/0x960 [ 1.667730][ T2] __set_cpus_allowed_ptr_locked+0x2ba/0x4e0 [ 1.667730][ T2] ? lock_downgrade+0x6e0/0x6e0 [ 1.667730][ T2] set_cpus_allowed_ptr+0x78/0xa0 [ 1.667730][ T2] ? __set_cpus_allowed_ptr_locked+0x4e0/0x4e0 [ 1.667730][ T2] ? lockdep_hardirqs_on+0x79/0x100 [ 1.667730][ T2] ? kthread_is_per_cpu+0xf0/0xf0 [ 1.667730][ T2] kthreadd+0x44/0x750 [ 1.667730][ T2] ? _raw_spin_unlock_irq+0x1f/0x40 [ 1.667730][ T2] ? kthread_is_per_cpu+0xf0/0xf0 [ 1.667730][ T2] ret_from_fork+0x1f/0x30 [ 1.667730][ T2] [ 1.667753][ T1] [ 1.668388][ T1] ============================= [ 1.669651][ T1] WARNING: suspicious RCU usage [ 1.670948][ T1] 5.17.0-rc7-next-20220309-syzkaller #0 Not tainted [ 1.672519][ T1] ----------------------------- [ 1.673818][ T1] include/linux/cgroup.h:481 suspicious rcu_dereference_check() usage! [ 1.675983][ T1] [ 1.675983][ T1] other info that might help us debug this: [ 1.675983][ T1] [ 1.677730][ T1] [ 1.677730][ T1] rcu_scheduler_active = 1, debug_locks = 1 [ 1.677730][ T1] 1 lock held by swapper/0/1: [ 1.677730][ T1] #0: ffff888010e82468 (&p->vtime.seqcount){....}-{0:0}, at: finish_task_switch.isra.0+0x6cf/0xb80 [ 1.677730][ T1] [ 1.677730][ T1] stack backtrace: [ 1.677730][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 1.677730][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.677730][ T1] Call Trace: [ 1.677730][ T1] [ 1.677730][ T1] dump_stack_lvl+0xcd/0x134 [ 1.677730][ T1] account_system_index_time+0x258/0x2d0 [ 1.677730][ T1] vtime_account_system+0x368/0x530 [ 1.677730][ T1] vtime_task_switch_generic+0xfa/0x5a0 [ 1.677730][ T1] ? rest_init+0x3e0/0x3e0 [ 1.677730][ T1] finish_task_switch.isra.0+0x6cf/0xb80 [ 1.677730][ T1] ? rest_init+0x3e0/0x3e0 [ 1.677730][ T1] schedule_tail+0x7/0xd0 [ 1.677730][ T1] ? rest_init+0x3e0/0x3e0 [ 1.677730][ T1] ret_from_fork+0x8/0x30 [ 1.677730][ T1] [ 1.806627][ T1] smpboot: CPU0: Intel(R) Xeon(R) CPU @ 2.20GHz (family: 0x6, model: 0x4f, stepping: 0x0) [ 1.807730][ T1] cblist_init_generic: Setting adjustable number of callback queues. [ 1.807730][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.807730][ T1] cblist_init_generic: Setting shift to 1 and lim to 1. [ 1.807935][ T1] Running RCU-tasks wait API self tests [ 1.917991][ T1] Performance Events: unsupported p6 CPU model 79 no PMU driver, software events only. [ 1.921350][ T1] rcu: Hierarchical SRCU implementation. [ 1.923774][ T17] [ 1.924423][ T17] ============================= [ 1.925571][ T17] WARNING: suspicious RCU usage [ 1.926667][ T17] 5.17.0-rc7-next-20220309-syzkaller #0 Not tainted [ 1.927730][ T17] ----------------------------- [ 1.927730][ T17] include/linux/cgroup.h:481 suspicious rcu_dereference_check() usage! [ 1.927730][ T17] [ 1.927730][ T17] other info that might help us debug this: [ 1.927730][ T17] [ 1.927730][ T17] [ 1.927730][ T17] rcu_scheduler_active = 1, debug_locks = 1 [ 1.927730][ T17] 1 lock held by migration/0/17: [ 1.927730][ T17] #0: ffff8880b9c39f98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 [ 1.927730][ T17] [ 1.927730][ T17] stack backtrace: [ 1.927730][ T17] CPU: 0 PID: 17 Comm: migration/0 Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 1.927730][ T17] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.927730][ T17] Stopper: 0x0 <- 0x0 [ 1.927730][ T17] Call Trace: [ 1.927730][ T17] [ 1.927730][ T17] dump_stack_lvl+0xcd/0x134 [ 1.927730][ T17] put_prev_task_stop+0x461/0x630 [ 1.927730][ T17] ? put_prev_task_balance+0x83/0x130 [ 1.927730][ T17] ? schedule+0xd2/0x1f0 [ 1.927730][ T17] __schedule+0x320f/0x4920 [ 1.927730][ T17] ? find_held_lock+0x2d/0x110 [ 1.927730][ T17] ? lock_downgrade+0x6e0/0x6e0 [ 1.927730][ T17] ? io_schedule_timeout+0x140/0x140 [ 1.927730][ T17] ? ikconfig_read_current+0x40/0x40 [ 1.927730][ T17] ? _raw_spin_unlock_irqrestore+0x50/0x70 [ 1.927730][ T17] ? ikconfig_read_current+0x40/0x40 [ 1.927730][ T17] schedule+0xd2/0x1f0 [ 1.927730][ T17] smpboot_thread_fn+0x2eb/0x9c0 [ 1.927730][ T17] ? sort_range+0x30/0x30 [ 1.927730][ T17] kthread+0x2e9/0x3a0 [ 1.927730][ T17] ? kthread_complete_and_exit+0x40/0x40 [ 1.927730][ T17] ret_from_fork+0x1f/0x30 [ 1.927730][ T17] [ 1.931252][ T1] NMI watchdog: Perf NMI watchdog permanently disabled [ 1.933570][ T1] smp: Bringing up secondary CPUs ... [ 1.937845][ T13] Callback from call_rcu_tasks_trace() invoked. [ 1.940935][ T1] x86: Booting SMP configuration: [ 1.942219][ T1] .... node #0, CPUs: #1 [ 1.944528][ T1] MDS CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/mds.html for more details. [ 1.947788][ T1] TAA CPU bug present and SMT on, data leak possible. See https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/tsx_async_abort.html for more details. [ 1.951924][ T1] smp: Brought up 2 nodes, 2 CPUs [ 1.953208][ T1] smpboot: Max logical packages: 1 [ 1.954414][ T1] smpboot: Total of 2 processors activated (8800.67 BogoMIPS) [ 1.997373][ T1] allocated 134217728 bytes of page_ext [ 1.997995][ T1] Node 0, zone DMA: page owner found early allocated 0 pages [ 2.012569][ T1] Node 0, zone DMA32: page owner found early allocated 19121 pages [ 2.029738][ T1] Node 0, zone Normal: page owner found early allocated 100 pages [ 2.038296][ T1] Node 1, zone Normal: page owner found early allocated 19106 pages [ 2.041452][ T1] devtmpfs: initialized [ 2.041452][ T1] x86/mm: Memory block size: 128MB [ 2.077889][ T1] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns [ 2.080781][ T1] futex hash table entries: 512 (order: 4, 65536 bytes, vmalloc) [ 2.087745][ T1] PM: RTC time: 12:00:34, date: 2022-03-09 [ 2.093502][ T1] NET: Registered PF_NETLINK/PF_ROUTE protocol family [ 2.100585][ T1] audit: initializing netlink subsys (disabled) [ 2.109844][ T1] thermal_sys: Registered thermal governor 'step_wise' [ 2.109856][ T1] thermal_sys: Registered thermal governor 'user_space' [ 2.112175][ T27] audit: type=2000 audit(1646827234.093:1): state=initialized audit_enabled=0 res=1 [ 2.117803][ T1] cpuidle: using governor menu [ 2.119415][ T1] NET: Registered PF_QIPCRTR protocol family [ 2.126319][ T1] PCI: Using configuration type 1 for base access [ 2.137854][ T12] Callback from call_rcu_tasks() invoked. [ 2.318037][ T1] WARNING: workqueue cpumask: online intersect > possible intersect [ 2.320119][ T1] HugeTLB registered 1.00 GiB page size, pre-allocated 0 pages [ 2.327744][ T1] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages [ 2.338151][ T1] cryptd: max_cpu_qlen set to 1000 [ 2.340080][ T1] raid6: skipped pq benchmark and selected avx2x4 [ 2.340146][ T1] raid6: using avx2x2 recovery algorithm [ 2.347794][ T1] ACPI: Added _OSI(Module Device) [ 2.347794][ T1] ACPI: Added _OSI(Processor Device) [ 2.347794][ T1] ACPI: Added _OSI(3.0 _SCP Extensions) [ 2.347794][ T1] ACPI: Added _OSI(Processor Aggregator Device) [ 2.347794][ T1] ACPI: Added _OSI(Linux-Dell-Video) [ 2.347794][ T1] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio) [ 2.349404][ T1] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics) [ 2.404538][ T1] ACPI: 2 ACPI AML tables successfully acquired and loaded [ 2.433036][ T1] ACPI: Interpreter enabled [ 2.434446][ T1] ACPI: PM: (supports S0 S3 S4 S5) [ 2.435675][ T1] ACPI: Using IOAPIC for interrupt routing [ 2.437177][ T1] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" and report a bug [ 2.439952][ T1] ACPI: Enabled 16 GPEs in block 00 to 0F [ 2.517888][ T1] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff]) [ 2.520061][ T1] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3] [ 2.522243][ T1] acpi PNP0A03:00: _OSC: not requesting OS control; OS requires [ExtendedConfig ASPM ClockPM MSI] [ 2.525116][ T1] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended PCI configuration space under this bridge. [ 2.533195][ T1] PCI host bridge to bus 0000:00 [ 2.534505][ T1] pci_bus 0000:00: Unknown NUMA node; performance will be reduced [ 2.536401][ T1] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window] [ 2.537749][ T1] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window] [ 2.539464][ T1] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window] [ 2.541364][ T1] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfefff window] [ 2.543182][ T1] pci_bus 0000:00: root bus resource [bus 00-ff] [ 2.545117][ T1] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000 [ 2.550276][ T1] pci 0000:00:01.0: [8086:7110] type 00 class 0x060100 [ 2.571938][ T1] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000 [ 2.591971][ T1] pci 0000:00:01.3: quirk: [io 0xb000-0xb03f] claimed by PIIX4 ACPI [ 2.593711][ T1] pci 0000:00:03.0: [1af4:1004] type 00 class 0x000000 [ 2.602518][ T1] pci 0000:00:03.0: reg 0x10: [io 0xc000-0xc03f] [ 2.610649][ T1] pci 0000:00:03.0: reg 0x14: [mem 0xfe800000-0xfe80007f] [ 2.631783][ T1] pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 [ 2.641737][ T1] pci 0000:00:04.0: reg 0x10: [io 0xc040-0xc07f] [ 2.650552][ T1] pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f] [ 2.671385][ T1] pci 0000:00:05.0: [1ae0:a002] type 00 class 0x030000 [ 2.692020][ T1] pci 0000:00:05.0: reg 0x10: [mem 0xfe000000-0xfe7fffff] [ 2.723822][ T1] pci 0000:00:05.0: Video device with shadowed ROM at [mem 0x000c0000-0x000dffff] [ 2.723822][ T1] pci 0000:00:06.0: [1af4:1002] type 00 class 0x00ff00 [ 2.732218][ T1] pci 0000:00:06.0: reg 0x10: [io 0xc080-0xc09f] [ 2.740620][ T1] pci 0000:00:06.0: reg 0x14: [mem 0xfe802000-0xfe80207f] [ 2.763051][ T1] pci 0000:00:07.0: [1af4:1005] type 00 class 0x00ff00 [ 2.773647][ T1] pci 0000:00:07.0: reg 0x10: [io 0xc0a0-0xc0bf] [ 2.781611][ T1] pci 0000:00:07.0: reg 0x14: [mem 0xfe803000-0xfe80303f] [ 2.811730][ T1] ACPI: PCI: Interrupt link LNKA configured for IRQ 10 [ 2.817386][ T1] ACPI: PCI: Interrupt link LNKB configured for IRQ 10 [ 2.821358][ T1] ACPI: PCI: Interrupt link LNKC configured for IRQ 11 [ 2.828408][ T1] ACPI: PCI: Interrupt link LNKD configured for IRQ 11 [ 2.832590][ T1] ACPI: PCI: Interrupt link LNKS configured for IRQ 9 [ 2.847767][ T1] iommu: Default domain type: Translated [ 2.849241][ T1] iommu: DMA domain TLB invalidation policy: lazy mode [ 2.853618][ T1] SCSI subsystem initialized [ 2.854966][ T1] ACPI: bus type USB registered [ 2.857752][ T1] usbcore: registered new interface driver usbfs [ 2.857752][ T1] usbcore: registered new interface driver hub [ 2.857752][ T1] usbcore: registered new device driver usb [ 2.857879][ T1] mc: Linux media interface: v0.10 [ 2.859328][ T1] videodev: Linux video capture interface: v2.00 [ 2.861600][ T1] pps_core: LinuxPPS API ver. 1 registered [ 2.863116][ T1] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti [ 2.865580][ T1] PTP clock support registered [ 2.867889][ T1] EDAC MC: Ver: 3.0.0 [ 2.869064][ T1] Advanced Linux Sound Architecture Driver Initialized. [ 2.877752][ T1] Bluetooth: Core ver 2.22 [ 2.877752][ T1] NET: Registered PF_BLUETOOTH protocol family [ 2.877752][ T1] Bluetooth: HCI device and connection manager initialized [ 2.879558][ T1] Bluetooth: HCI socket layer initialized [ 2.880964][ T1] Bluetooth: L2CAP socket layer initialized [ 2.882471][ T1] Bluetooth: SCO socket layer initialized [ 2.884027][ T1] NET: Registered PF_ATMPVC protocol family [ 2.885441][ T1] NET: Registered PF_ATMSVC protocol family [ 2.887058][ T1] NetLabel: Initializing [ 2.887747][ T1] NetLabel: domain hash size = 128 [ 2.889122][ T1] NetLabel: protocols = UNLABELED CIPSOv4 CALIPSO [ 2.890961][ T1] NetLabel: unlabeled traffic allowed by default [ 2.893970][ T1] nfc: nfc_init: NFC Core ver 0.1 [ 2.895592][ T1] NET: Registered PF_NFC protocol family [ 2.897337][ T1] PCI: Using ACPI for IRQ routing [ 2.898426][ T1] pci 0000:00:05.0: vgaarb: setting as boot VGA device [ 2.900254][ T1] pci 0000:00:05.0: vgaarb: bridge control possible [ 2.901910][ T1] pci 0000:00:05.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,locks=none [ 2.904139][ T1] vgaarb: loaded [ 2.910993][ T1] clocksource: Switched to clocksource kvm-clock [ 3.489588][ T1] VFS: Disk quotas dquot_6.6.0 [ 3.491302][ T1] VFS: Dquot-cache hash table entries: 512 (order 0, 4096 bytes) [ 3.494067][ T1] FS-Cache: Loaded [ 3.496409][ T1] CacheFiles: Loaded [ 3.498013][ T1] TOMOYO: 2.6.0 [ 3.498896][ T1] Mandatory Access Control activated. [ 3.503856][ T1] AppArmor: AppArmor Filesystem Enabled [ 3.505799][ T1] pnp: PnP ACPI init [ 3.526111][ T1] pnp: PnP ACPI: found 7 devices [ 3.570754][ T1] clocksource: acpi_pm: mask: 0xffffff max_cycles: 0xffffff, max_idle_ns: 2085701024 ns [ 3.574436][ T1] NET: Registered PF_INET protocol family [ 3.579434][ T1] IP idents hash table entries: 131072 (order: 8, 1048576 bytes, vmalloc) [ 3.589563][ T1] tcp_listen_portaddr_hash hash table entries: 4096 (order: 6, 327680 bytes, vmalloc) [ 3.594594][ T1] TCP established hash table entries: 65536 (order: 7, 524288 bytes, vmalloc) [ 3.603488][ T1] TCP bind hash table entries: 65536 (order: 10, 4718592 bytes, vmalloc hugepage) [ 3.611556][ T1] TCP: Hash tables configured (established 65536 bind 65536) [ 3.616356][ T1] MPTCP token hash table entries: 8192 (order: 7, 720896 bytes, vmalloc) [ 3.621245][ T1] UDP hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.625969][ T1] UDP-Lite hash table entries: 4096 (order: 7, 655360 bytes, vmalloc) [ 3.629543][ T1] NET: Registered PF_UNIX/PF_LOCAL protocol family [ 3.633491][ T1] RPC: Registered named UNIX socket transport module. [ 3.635223][ T1] RPC: Registered udp transport module. [ 3.636907][ T1] RPC: Registered tcp transport module. [ 3.638457][ T1] RPC: Registered tcp NFSv4.1 backchannel transport module. [ 3.642948][ T1] NET: Registered PF_XDP protocol family [ 3.644586][ T1] pci_bus 0000:00: resource 4 [io 0x0000-0x0cf7 window] [ 3.646689][ T1] pci_bus 0000:00: resource 5 [io 0x0d00-0xffff window] [ 3.648480][ T1] pci_bus 0000:00: resource 6 [mem 0x000a0000-0x000bffff window] [ 3.650827][ T1] pci_bus 0000:00: resource 7 [mem 0xc0000000-0xfebfefff window] [ 3.653946][ T1] pci 0000:00:00.0: Limiting direct PCI/PCI transfers [ 3.656037][ T1] PCI: CLS 0 bytes, default 64 [ 3.664347][ T1] PCI-DMA: Using software bounce buffering for IO (SWIOTLB) [ 3.666241][ T1] software IO TLB: mapped [mem 0x00000000b5c00000-0x00000000b9c00000] (64MB) [ 3.669154][ T1] ACPI: bus type thunderbolt registered [ 3.680033][ T56] kworker/u4:1 (56) used greatest stack depth: 28600 bytes left [ 3.682247][ T55] kworker/u4:1 (55) used greatest stack depth: 26936 bytes left [ 3.684485][ T1] RAPL PMU: API unit is 2^-32 Joules, 0 fixed counters, 10737418240 ms ovfl timer [ 3.711163][ T1] kvm: already loaded vendor module 'kvm_intel' [ 3.712831][ T1] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fb6d19e116, max_idle_ns: 440795289897 ns [ 3.716579][ T1] clocksource: Switched to clocksource tsc [ 6.811028][ T1] Initialise system trusted keyrings [ 6.813502][ T1] workingset: timestamp_bits=40 max_order=21 bucket_order=0 [ 6.855832][ T1] zbud: loaded [ 6.865904][ T1] DLM installed [ 6.872929][ T1] squashfs: version 4.0 (2009/01/31) Phillip Lougher [ 6.885088][ T1] NFS: Registering the id_resolver key type [ 6.886600][ T1] Key type id_resolver registered [ 6.887983][ T1] Key type id_legacy registered [ 6.889469][ T1] nfs4filelayout_init: NFSv4 File Layout Driver Registering... [ 6.891531][ T1] nfs4flexfilelayout_init: NFSv4 Flexfile Layout Driver Registering... [ 6.893730][ T1] Installing knfsd (copyright (C) 1996 okir@monad.swb.de). [ 6.905188][ T1] Key type cifs.spnego registered [ 6.907043][ T1] Key type cifs.idmap registered [ 6.908788][ T1] ntfs: driver 2.1.32 [Flags: R/W]. [ 6.912425][ T1] efs: 1.0a - http://aeschi.ch.eu.org/efs/ [ 6.914201][ T1] jffs2: version 2.2. (NAND) (SUMMARY) © 2001-2006 Red Hat, Inc. [ 6.920951][ T1] romfs: ROMFS MTD (C) 2007 Red Hat, Inc. [ 6.922833][ T1] QNX4 filesystem 0.2.3 registered. [ 6.924385][ T1] qnx6: QNX6 filesystem 1.0.0 registered. [ 6.926684][ T1] fuse: init (API version 7.36) [ 6.932234][ T1] orangefs_debugfs_init: called with debug mask: :none: :0: [ 6.934456][ T1] orangefs_init: module version upstream loaded [ 6.936781][ T1] JFS: nTxBlock = 8192, nTxLock = 65536 [ 6.949391][ T1] SGI XFS with ACLs, security attributes, realtime, quota, fatal assert, debug enabled [ 6.963352][ T1] 9p: Installing v9fs 9p2000 file system support [ 6.966673][ T1] NILFS version 2 loaded [ 6.968120][ T1] befs: version: 0.9.3 [ 6.970748][ T1] ocfs2: Registered cluster interface o2cb [ 6.972972][ T1] ocfs2: Registered cluster interface user [ 6.974977][ T1] OCFS2 User DLM kernel interface loaded [ 6.987310][ T1] gfs2: GFS2 installed [ 7.000793][ T1] ceph: loaded (mds proto 32) [ 7.015110][ T1] NET: Registered PF_ALG protocol family [ 7.016537][ T1] xor: automatically using best checksumming function avx [ 7.018530][ T1] async_tx: api initialized (async) [ 7.019698][ T1] Key type asymmetric registered [ 7.020914][ T1] Asymmetric key parser 'x509' registered [ 7.022316][ T1] Asymmetric key parser 'pkcs8' registered [ 7.023478][ T1] Key type pkcs7_test registered [ 7.028155][ T1] alg: self-tests for CTR-KDF (hmac(sha256)) passed [ 7.030062][ T1] Block layer SCSI generic (bsg) driver version 0.4 loaded (major 240) [ 7.032522][ T1] io scheduler mq-deadline registered [ 7.033523][ T1] io scheduler kyber registered [ 7.035000][ T1] io scheduler bfq registered [ 7.058763][ T1] input: Power Button as /devices/LNXSYSTM:00/LNXPWRBN:00/input/input0 [ 7.062317][ T1] ACPI: button: Power Button [PWRF] [ 7.064625][ T1] input: Sleep Button as /devices/LNXSYSTM:00/LNXSLPBN:00/input/input1 [ 7.066985][ T1] ACPI: button: Sleep Button [SLPF] [ 7.081473][ T185] kworker/u4:3 (185) used greatest stack depth: 26896 bytes left [ 7.091981][ T1] ACPI: \_SB_.LNKC: Enabled at IRQ 11 [ 7.093122][ T1] virtio-pci 0000:00:03.0: virtio_pci: leaving for legacy driver [ 7.109969][ T1] ACPI: \_SB_.LNKD: Enabled at IRQ 10 [ 7.111099][ T1] virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver [ 7.133719][ T1] ACPI: \_SB_.LNKB: Enabled at IRQ 10 [ 7.134942][ T1] virtio-pci 0000:00:06.0: virtio_pci: leaving for legacy driver [ 7.150125][ T1] virtio-pci 0000:00:07.0: virtio_pci: leaving for legacy driver [ 7.251662][ T308] kworker/u4:3 (308) used greatest stack depth: 26736 bytes left [ 7.571996][ T1] N_HDLC line discipline registered with maxframe=4096 [ 7.573518][ T1] Serial: 8250/16550 driver, 4 ports, IRQ sharing enabled [ 7.575546][ T1] 00:03: ttyS0 at I/O 0x3f8 (irq = 4, base_baud = 115200) is a 16550A [ 7.582341][ T1] 00:04: ttyS1 at I/O 0x2f8 (irq = 3, base_baud = 115200) is a 16550A [ 7.589375][ T1] 00:05: ttyS2 at I/O 0x3e8 (irq = 6, base_baud = 115200) is a 16550A [ 7.595241][ T1] 00:06: ttyS3 at I/O 0x2e8 (irq = 7, base_baud = 115200) is a 16550A [ 7.615761][ T1] Non-volatile memory driver v1.3 [ 7.627660][ T1] Linux agpgart interface v0.103 [ 7.630038][ T1] ACPI: bus type drm_connector registered [ 7.637528][ T1] [drm] Initialized vgem 1.0.0 20120112 for vgem on minor 0 [ 7.644745][ T1] [drm] Initialized vkms 1.0.0 20180514 for vkms on minor 1 [ 7.711176][ T1] Console: switching to colour frame buffer device 128x48 [ 7.729818][ T1] platform vkms: [drm] fb0: vkmsdrmfb frame buffer device [ 7.732121][ T1] usbcore: registered new interface driver udl [ 7.793940][ T1] brd: module loaded [ 7.859834][ T1] loop: module loaded [ 7.946021][ T1] zram: Added device: zram0 [ 7.954221][ T1] null_blk: module loaded [ 7.955556][ T1] Guest personality initialized and is inactive [ 7.957548][ T1] VMCI host device registered (name=vmci, major=10, minor=120) [ 7.959194][ T1] Initialized host personality [ 7.960491][ T1] usbcore: registered new interface driver rtsx_usb [ 7.963833][ T1] usbcore: registered new interface driver viperboard [ 7.966034][ T1] usbcore: registered new interface driver dln2 [ 7.969015][ T1] usbcore: registered new interface driver pn533_usb [ 7.974700][ T1] nfcsim 0.2 initialized [ 7.975656][ T1] usbcore: registered new interface driver port100 [ 7.977029][ T1] usbcore: registered new interface driver nfcmrvl [ 7.985835][ T1] Loading iSCSI transport class v2.0-870. [ 8.014868][ T1] scsi host0: Virtio SCSI HBA [ 8.062342][ T1] st: Version 20160209, fixed bufsize 32768, s/g segs 256 [ 8.068828][ T11] scsi 0:0:1:0: Direct-Access Google PersistentDisk 1 PQ: 0 ANSI: 6 [ 8.097421][ T1] Rounding down aligned max_sectors from 4294967295 to 4294967288 [ 8.100763][ T1] db_root: cannot open: /etc/target [ 8.103623][ T1] slram: not enough parameters. [ 8.113425][ T1] ftl_cs: FTL header not found. [ 8.141706][ T1] wireguard: WireGuard 1.0.0 loaded. See www.wireguard.com for information. [ 8.143404][ T1] wireguard: Copyright (C) 2015-2019 Jason A. Donenfeld . All Rights Reserved. [ 8.145429][ T1] eql: Equalizer2002: Simon Janes (simon@ncm.com) and David S. Miller (davem@redhat.com) [ 8.161263][ T1] MACsec IEEE 802.1AE [ 8.183817][ T1] tun: Universal TUN/TAP device driver, 1.6 [ 8.229412][ T1] BUG: unable to handle page fault for address: ffffdc0000000000 [ 8.231093][ T1] #PF: supervisor read access in kernel mode [ 8.232302][ T1] #PF: error_code(0x0000) - not-present page [ 8.233472][ T1] PGD 10c26067 P4D 10c26067 PUD 0 [ 8.234665][ T1] Oops: 0000 [#1] PREEMPT SMP KASAN [ 8.235589][ T1] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.0-rc7-next-20220309-syzkaller #0 [ 8.237641][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 8.237781][ T1] RIP: 0010:strlen+0x1a/0x90 [ 8.237781][ T1] Code: e8 db 7e b2 fd 48 8b 74 24 08 48 8b 3c 24 eb c0 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 89 fd 48 c1 ea 03 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 48 80 7d 00 00 [ 8.237781][ T1] RSP: 0000:ffffc90000067598 EFLAGS: 00010292 [ 8.237781][ T1] RAX: dffffc0000000000 RBX: ffff888148a64008 RCX: 0000000000000000 [ 8.237781][ T1] RDX: 1fffe00000000000 RSI: ffff8881489bd000 RDI: ffff000000000000 [ 8.237781][ T1] RBP: ffff000000000000 R08: fffffffffffff000 R09: 000000000000a000 [ 8.237781][ T1] R10: ffffffff81fdd0d9 R11: 0000000000004000 R12: ffff88801ca4cc00 [ 8.237781][ T1] R13: ffff88801ca4cc00 R14: ffff8881489bd000 R15: ffff000000000000 [ 8.237781][ T1] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 8.237781][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.237781][ T1] CR2: ffffdc0000000000 CR3: 000000000ba8e000 CR4: 00000000003506f0 [ 8.237781][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8.237781][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8.237781][ T1] Call Trace: [ 8.237781][ T1] [ 8.237781][ T1] insert_header+0x2c0/0xf90 [ 8.237781][ T1] __register_sysctl_table+0x6fb/0x1090 [ 8.237781][ T1] ? proc_sys_evict_inode+0x180/0x180 [ 8.237781][ T1] ? trace_kmalloc+0x32/0xf0 [ 8.237781][ T1] ? __devinet_sysctl_register+0x98/0x280 [ 8.237781][ T1] ? register_net_sysctl+0x242/0x3d0 [ 8.237781][ T1] __devinet_sysctl_register+0x156/0x280 [ 8.237781][ T1] ? inet_netconf_notify_devconf+0x260/0x260 [ 8.237781][ T1] ? ZSTD_compressBlock_fast_dictMatchState+0xb118/0xc340 [ 8.237781][ T1] ? virtio_dev_probe+0x577/0x8e0 [ 8.237781][ T1] ? really_probe+0x245/0xcc0 [ 8.237781][ T1] ? __driver_probe_device+0x338/0x4d0 [ 8.237781][ T1] ? driver_probe_device+0x4c/0x1a0 [ 8.237781][ T1] ? __driver_attach+0x22d/0x4e0 [ 8.237781][ T1] ? bus_for_each_dev+0x147/0x1d0 [ 8.237781][ T1] ? bus_add_driver+0x41d/0x630 [ 8.237781][ T1] ? driver_register+0x220/0x3a0 [ 8.237781][ T1] devinet_sysctl_register+0x160/0x230 [ 8.237781][ T1] inetdev_init+0x286/0x580 [ 8.237781][ T1] inetdev_event+0xa8a/0x15d0 [ 8.237781][ T1] ? del_default_gids+0xd0/0xd0 [ 8.237781][ T1] ? is_ndev_for_default_gid_filter.part.0+0x2e0/0x2e0 [ 8.237781][ T1] ? devinet_init_net+0x640/0x640 [ 8.237781][ T1] ? skb_dequeue+0x125/0x180 [ 8.237781][ T1] ? __sanitizer_cov_trace_switch+0x63/0xf0 [ 8.237781][ T1] notifier_call_chain+0xb5/0x200 [ 8.237781][ T1] call_netdevice_notifiers_info+0xb5/0x130 [ 8.237781][ T1] register_netdevice+0x109e/0x15b0 [ 8.237781][ T1] ? netdev_change_features+0xb0/0xb0 [ 8.237781][ T1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 8.237781][ T1] ? netif_set_real_num_tx_queues+0x101/0x770 [ 8.237781][ T1] register_netdev+0x2d/0x50 [ 8.237781][ T1] virtnet_probe+0x1056/0x2480 [ 8.237781][ T1] ? virtnet_find_vqs+0xea0/0xea0 [ 8.237781][ T1] virtio_dev_probe+0x577/0x8e0 [ 8.237781][ T1] ? virtio_features_ok+0x110/0x110 [ 8.237781][ T1] really_probe+0x245/0xcc0 [ 8.237781][ T1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 8.237781][ T1] __driver_probe_device+0x338/0x4d0 [ 8.237781][ T1] driver_probe_device+0x4c/0x1a0 [ 8.237781][ T1] __driver_attach+0x22d/0x4e0 [ 8.237781][ T1] ? __device_attach_driver+0x2f0/0x2f0 [ 8.237781][ T1] bus_for_each_dev+0x147/0x1d0 [ 8.237781][ T1] ? subsys_dev_iter_exit+0x20/0x20 [ 8.237781][ T1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 8.237781][ T1] bus_add_driver+0x41d/0x630 [ 8.237781][ T1] driver_register+0x220/0x3a0 [ 8.237781][ T1] ? veth_init+0x11/0x11 [ 8.237781][ T1] virtio_net_driver_init+0x93/0xd2 [ 8.237781][ T1] do_one_initcall+0x103/0x650 [ 8.237781][ T1] ? trace_event_raw_event_initcall_level+0x1f0/0x1f0 [ 8.237781][ T1] ? parameq+0x90/0x170 [ 8.237781][ T1] kernel_init_freeable+0x6b1/0x73a [ 8.237781][ T1] ? rest_init+0x3e0/0x3e0 [ 8.237781][ T1] kernel_init+0x1a/0x1d0 [ 8.237781][ T1] ? rest_init+0x3e0/0x3e0 [ 8.237781][ T1] ret_from_fork+0x1f/0x30 [ 8.237781][ T1] [ 8.237781][ T1] Modules linked in: [ 8.237781][ T1] CR2: ffffdc0000000000 [ 8.237781][ T1] ---[ end trace 0000000000000000 ]--- [ 8.237781][ T1] RIP: 0010:strlen+0x1a/0x90 [ 8.237781][ T1] Code: e8 db 7e b2 fd 48 8b 74 24 08 48 8b 3c 24 eb c0 48 b8 00 00 00 00 00 fc ff df 48 89 fa 55 48 89 fd 48 c1 ea 03 53 48 83 ec 08 <0f> b6 04 02 48 89 fa 83 e2 07 38 d0 7f 04 84 c0 75 48 80 7d 00 00 [ 8.237781][ T1] RSP: 0000:ffffc90000067598 EFLAGS: 00010292 [ 8.237781][ T1] RAX: dffffc0000000000 RBX: ffff888148a64008 RCX: 0000000000000000 [ 8.237781][ T1] RDX: 1fffe00000000000 RSI: ffff8881489bd000 RDI: ffff000000000000 [ 8.237781][ T1] RBP: ffff000000000000 R08: fffffffffffff000 R09: 000000000000a000 [ 8.237781][ T1] R10: ffffffff81fdd0d9 R11: 0000000000004000 R12: ffff88801ca4cc00 [ 8.237781][ T1] R13: ffff88801ca4cc00 R14: ffff8881489bd000 R15: ffff000000000000 [ 8.237781][ T1] FS: 0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000 [ 8.237781][ T1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8.237781][ T1] CR2: ffffdc0000000000 CR3: 000000000ba8e000 CR4: 00000000003506f0 [ 8.237781][ T1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8.237781][ T1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8.237781][ T1] Kernel panic - not syncing: Fatal exception [ 8.237781][ T1] Kernel Offset: disabled [ 8.237781][ T1] Rebooting in 86400 seconds..